Pelargonium plant named ‘REGBESOPI’

ABSTRACT

A new and distinct Regal Geranium plant named ‘REGBESOPI’, characterized by its upright and uniformly rounded plant habit; vigorous growth habit; freely basal branching habit; early and freely flowering habit; light pink-colored flowers with white-colored centers that are held above the foliar plane on strong peduncles; and no requirement for cooling treatment for flower development.

Botanical designation: Pelargonium grandiflorum.

Cultivar denomination: ‘REGBESOPI’.

BACKGROUND OF THE INVENTION

The present invention relates to a new and distinct cultivar of Regal Geranium plant, botanically known as Pelargonium grandiflorum, and hereinafter referred to by the name ‘REGBESOPI’.

The new Regal Geranium plant is a product of a planned breeding program conducted by the Inventor in Dresden, Germany. The objective of the breeding program is to develop new early flowering Regal Geranium plants with unique and attractive flower types and colors.

The new Regal Geranium plant originated from a cross-pollination made by the Inventor in Dresden, Germany during the summer of 2009 of two unnamed proprietary selections of Pelargonium grandiflorum, not patented. The new Regal Geranium plant was discovered and selected by the Inventor as a flowering plant from within the progeny of the stated cross-pollination in a controlled greenhouse environment in Dresden, Germany during the spring of 2011.

Asexual reproduction of the new Regal Geranium plant by vegetative terminal cuttings in a controlled greenhouse environment in Dresden, Germany since October, 2011 has shown that the unique features of this new Regal Geranium plant are stable and reproduced true to type in successive generations.

SUMMARY OF THE INVENTION

Plants of the new Regal Geranium have not been observed under all possible environmental conditions and cultural practices. The phenotype may vary somewhat with variations in environmental conditions such as temperature and light intensity without, however, any variance in genotype.

The following traits have been repeatedly observed and are determined to be the unique characteristics of ‘REGBESOPI’. These characteristics in combination distinguish ‘REGBESOPI’ as a new and distinct Regal Geranium plant:

-   -   1. Upright and uniformly rounded plant habit.     -   2. Vigorous growth habit.     -   3. Freely basal branching habit.     -   4. Early and freely flowering habit.     -   5. Light pink-colored flowers with white-colored centers that         are held above the foliar plane on strong peduncles.     -   6. No cooling treatment required for flower development.

Plants of the new Regal Geranium differ primarily from plants of the parent selections in flower coloration. In addition, plants of the new Regal Geranium are more uniform than plants of the parent selections.

Plants of the new Regal Geranium can be compared to plants of Pelargonium grandiflorum ‘REGBEPI’, disclosed in a U.S. Plant patent application Ser. No. 13/998,292 filed concurrently. In side-by-side comparisons conducted in Dresden, Germany, plants of the new Regal Geranium differed from plants of ‘REGBEPI’ in the following characteristics:

-   -   1. Plants of the new Regal Geranium were taller and broader than         plants of ‘REGBEPI’.     -   2. Plants of the new Regal Geranium were more vigorous than         plants of ‘REGBEPI’.     -   3. Plants of the new Regal Geranium had larger leaves than         plants of ‘REGBEPI’.     -   4. Petals of plants of the new Regal Geranium were not as         undulate as petals of plants of ‘REGBEPI’.     -   5. Plants of the new Regal Geranium and ‘REGBEPI’ differed in         flower color as plants of ‘REGBEPI’ had darker pink-colored         flowers.

BRIEF DESCRIPTION OF THE PHOTOGRAPH

The accompanying colored photograph illustrates the overall appearance of the new Regal Geranium plant showing the colors as true as it is reasonably possible to obtain in colored reproductions of this type. Colors in the photograph may differ slightly from the color values cited in the detailed botanical description which accurately describe the colors of the new Regal Geranium plant.

The photograph comprises a side perspective view of a typical flowering plant of ‘REGBESOPI’ grown in a container.

DETAILED BOTANICAL DESCRIPTION

The aforementioned photograph and following observations, measurements and values describe plants grown in 19-cm containers during the winter, spring and summer in a glass-covered greenhouse in Dresden, Germany and under cultural practices typical of commercial Regal Geranium production. During the production of the plants, day temperatures averaged 18° C., night temperatures averaged 16° C. and light levels ranged from 15 kilolux to 100 kilolux. To enhance the overall plant habit, plants were exposed to eight weeks of 9° C. day and night temperatures; however, traditional cooling treatments are not required for flower initiation and development. Plants were six months old when the photograph was taken and nine months old when the detailed description was taken. In the detailed description, color references are made to The Royal Horticultural Society Colour Chart, 1995 Edition, except where general terms of ordinary dictionary significance are used.

-   Botanical classification: Pelargonium grandiflorum ‘REGBESOPI’. -   Parentage:     -   -   Female, or seed, parent.—Unnamed proprietary selection of             Pelargonium grandiflorum, not patented.         -   Male or pollen parent.—Unnamed proprietary selection of             Pelargonium grandiflorum, not patented. -   Propagation:     -   -   Type.—By vegetative terminal cuttings.         -   Time to initiate roots, summer.—About 18 days at             temperatures about 20° C.         -   Time to initiate roots, winter.—About 22 days at             temperatures about 20° C.         -   Time to produce a rooted young plant, summer and             winter.—About four weeks at temperatures about 20° C.         -   Root description.—Fine, fibrous; white in color.         -   Rooting habit.—Freely branching; dense. -   Plant description:     -   -   Plant and growth habit.—Upright and uniformly rounded plant             habit; inverted triangle; densely foliated; vigorous growth             habit; freely basal branching habit with numerous lateral             branches developing per plant.         -   Plant height, to top of umbels.—About 35 cm.         -   Plant height, to top of foliar plane.—About 30 cm.         -   Plant width.—About 50 cm.         -   Lateral branches.—Length: About 20 cm. Diameter: About 5 mm.             Internode length: About 1.5 cm. Texture: Pubescent. Color:             Close to 144A. -   Leaf description:     -   -   Arrangement.—Alternate or opposite; simple.         -   Length.—About 5 cm.         -   Width.—About 8.5 cm.         -   Shape.—Roughly cordate.         -   Apex.—Acute.         -   Base.—Cordate, open.         -   Margin.—Bi-serrate.         -   Venation pattern.—Palmate.         -   Texture, upper and lower surfaces.—Sparsely pubescent;             leathery.         -   Color.—Developing and fully expanded leaves, upper surface:             Close to 138A; venation, close to 137A. Developing and fully             expanded leaves, lower surface: Close to 147B; venation,             close to 144A. Zonation pattern: Not observed.         -   Petioles.—Length: About 3.5 cm. Diameter: About 2 mm.             Texture, upper and lower surfaces: Smooth. Color, upper and             lower surfaces: Close to 144A. -   Flower description:     -   -   Flower arrangement and flowering habit.—Single flowers             arranged in inversely conical umbels arising from apical             leaf axils; umbels displayed above the foliar plane on             strong peduncles; flowers face upright to mostly outwardly;             freely flowering habit; about five flowers per umbel with             about 40 umbels developing per plant.         -   Fragrance.—None detected.         -   Flowering season.—Early flowering habit, plants begin             flowering about five months after planting; plants do not             require a traditional cooling treatment for flower             initiation and development; in the garden in Germany, plants             flower during the spring and again during the summer.         -   Flower longevity.—Flowers last about two weeks on the plant;             flowers not persistent.         -   Umbel height.—About 5.5 cm.         -   Umbel diameter.—About 8 cm.         -   Flower diameter.—About 4.5 cm.         -   Flower depth (height).—About 3 cm.         -   Flower buds.—Length: About 1.5 cm. Diameter: About 5 mm.             Shape: Spindle-shaped. Color: Close to 146B.         -   Petals.—Quantity per flower: Five or six arranged in a             single whorl; two or three upper and three lower petals;             petals imbricate. Length, all petals: About 3 cm. Width, all             petals: About 2.5 cm. Shape, all petals: Obovate. Apex, all             petals: Rounded. Base, all petals: Cuneate. Margin, all             petals: Entire; undulate. Texture, all petals, upper and             lower surfaces: Smooth, glabrous; velvety. Color, all             petals: When opening, upper surface: Close to 68B; towards             the base, close to 155D. When opening, lower surface: Close             to 68C; towards the base, close to 155D. Fully opened, upper             surface: Close to 68C; towards the base, close to 155D;             venation, close to 68C and 155D; main color becoming closer             to 68D with development. Fully opened, lower surface: Close             to 68D; towards the base, close to 155D; venation, close to             68D and 155D.         -   Sepals.—Quantity per flower: Five or six arranged in a             single whorl. Length: About 1.4 cm. Width: About 5 mm.             Shape: Lanceolate. Apex: Acute; somewhat reflexing. Margin:             Entire. Texture, upper and lower surfaces: Pubescent. Color,             upper and lower surfaces: Close to 146B.         -   Peduncles (umbel stems).—Length: About 4.5 cm. Diameter:             About 2 mm. Strength: Strong; flexible. Texture: Pubescent.             Color: Close to 146B.         -   Pedicels (individual flower stems).—Length: About 2.5 cm.             Diameter: About 1 mm. Strength: Strong; flexible. Texture:             Pubescent. Color: Close to 146B.         -   Reproductive organs.—Androecium: Stamen development not             observed. Gynoecium: Pistil quantity per flower: One. Pistil             length: About 1.5 cm. Stigma shape: Five or six-parted.             Stigma color: Close to 61A. Style length: About 7 mm. Style             color: Close to 61B. Ovary color: Close to 147C. Seeds and             fruits: Seed and fruit development have not been observed on             plants of the new Regal Geranium. -   Disease & pest resistance: Plants of the new Regal Geranium have not     been observed to be resistant to pathogens and pests common to Regal     Geranium plants. -   Temperature tolerance: Plants of the new Regal Geranium have been     observed to tolerate temperatures ranging from about 1° C. to about     35° C. to 40° C. 

It is claimed:
 1. A new and distinct Regal Geranium plant named ‘REGBESOPI’ as illustrated and described. 